Home / 55,246.20-82,901.70-20,189.40

Finding the Fourth Proportional to 55,246.20, 82,901.70 and 20,189.40

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Solution

The fourth proportional to 55,246.20, 82,901.70 and 20,189.40 is: 30,295.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,246.20 : 82,901.70 = 20,189.40 : x
  2. Step 2: Convert to fraction form
    55,246.20/82,901.70 = 20,189.40/x
  3. Step 3: Cross multiply
    55,246.20x = 82,901.70 × 20,189.40
  4. Step 4: Simplify right side
    55,246.20x = 1,673,735,581.98
  5. Step 5: Solve for x
    x = 1,673,735,581.98/55,246.20
  6. Step 6: Final answer
    x = 30,295.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.